BR8005598A - Processo para desintegracao oxidativa de minerios contendo cromo - Google Patents

Processo para desintegracao oxidativa de minerios contendo cromo

Info

Publication number
BR8005598A
BR8005598A BR8005598A BR8005598A BR8005598A BR 8005598 A BR8005598 A BR 8005598A BR 8005598 A BR8005598 A BR 8005598A BR 8005598 A BR8005598 A BR 8005598A BR 8005598 A BR8005598 A BR 8005598A
Authority
BR
Brazil
Prior art keywords
chrome
containing ores
oxidative disintegration
disintegration
oxidative
Prior art date
Application number
BR8005598A
Other languages
English (en)
Inventor
J Rademachers
I Pflugmacher
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR8005598A publication Critical patent/BR8005598A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BR8005598A 1979-09-04 1980-09-03 Processo para desintegracao oxidativa de minerios contendo cromo BR8005598A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2935718A DE2935718C2 (de) 1979-09-04 1979-09-04 Verfahren zum oxidativen Aufschluß von chromhaltigen Erzen

Publications (1)

Publication Number Publication Date
BR8005598A true BR8005598A (pt) 1981-03-17

Family

ID=6080034

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8005598A BR8005598A (pt) 1979-09-04 1980-09-03 Processo para desintegracao oxidativa de minerios contendo cromo

Country Status (8)

Country Link
US (1) US4355006A (pt)
EP (1) EP0027868B1 (pt)
JP (1) JPS5637222A (pt)
AR (1) AR224651A1 (pt)
BR (1) BR8005598A (pt)
DE (2) DE2935718C2 (pt)
ES (1) ES8105399A1 (pt)
ZA (1) ZA805440B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236202C2 (de) * 1992-10-27 1994-07-21 Bayer Ag Verfahren zur rückstandsarmen und hochauszehrenden Erzeugung von Natriumdichromat
JP4929959B2 (ja) * 2006-10-05 2012-05-09 日本電気株式会社 電子機器
EP3763837A1 (de) * 2019-07-09 2021-01-13 Brother Group (Hong Kong) Limited Formgebung von chromerzprozess-rückständen

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095266A (en) * 1963-06-25 Production of sodium chromate from chromite ores
US1948143A (en) * 1932-03-30 1934-02-20 Mutual Chemical Company Manufacture of chromates
US1964719A (en) * 1932-07-13 1934-07-03 Little Inc A Method of producing chromates
US2199929A (en) * 1938-02-09 1940-05-07 Imp Paper And Color Corp Manufacture of soluble alkali chromates
GB507362A (en) * 1938-03-29 1939-06-14 Walter Hene Improvements in and relating to the treatment of chromium ores
US2394793A (en) * 1944-08-07 1946-02-12 Pacific Bridge Company Preparation of ores for alkaline roast
DE1016940B (de) * 1954-02-02 1957-10-03 Bayer Ag Aufschluss von chromoxydhaltigen Stoffen
US3816095A (en) * 1972-03-09 1974-06-11 Allied Chem Method for recovering chromium values from chromite ore
US3816094A (en) * 1972-03-09 1974-06-11 Allied Chem Method for the conversion of chromite ore to sodium chromate
JPS5025884A (pt) * 1973-07-10 1975-03-18
DE2426915A1 (de) * 1974-06-04 1976-01-02 Allied Chem Verfahren zur herstellung von natriumchromat
DE2542054C2 (de) * 1975-09-20 1982-02-25 Bayer Ag, 5090 Leverkusen Verfahren zum Aufschluß von Chromerzen
DE2607131C2 (de) * 1976-02-21 1983-11-24 Bayer Ag, 5090 Leverkusen Verfahren zum Aufschluß von Chromerzen
US4162295A (en) * 1977-11-14 1979-07-24 Allied Chemical Corporation Method for production of alkali metal chromates from chrome ores
US4244925A (en) * 1979-07-20 1981-01-13 Allied Chemical Corporation Method for production of alkali metal chromates from chrome ores

Also Published As

Publication number Publication date
ES494726A0 (es) 1981-05-16
DE3063141D1 (en) 1983-06-16
JPS5637222A (en) 1981-04-10
DE2935718C2 (de) 1982-08-12
ZA805440B (en) 1981-09-30
AR224651A1 (es) 1981-12-30
EP0027868B1 (de) 1983-05-11
ES8105399A1 (es) 1981-05-16
JPH0341410B2 (pt) 1991-06-24
US4355006A (en) 1982-10-19
DE2935718A1 (de) 1981-03-12
EP0027868A1 (de) 1981-05-06

Similar Documents

Publication Publication Date Title
BR7605236A (pt) Processo e aparelho para sinterizacao de refratarios
BR8000748A (pt) Processo para preparacao de benzimidazolil-benzo-furanas
BR7901755A (pt) Processo para lixiviacao bacterial de minerios
BR8007999A (pt) Processo para queima de carvao
BR7605039A (pt) Processo para cloracao direta de alcoilbenzenos
BR7902186A (pt) Processo de reducao direta para producao de ferro reduzido
BR8001693A (pt) Processo para preparacao de tiazolidino-2-2-tionas
BR7807183A (pt) Processo para tratamento de despejo
BR7706024A (pt) Processo para tratamento de escorias metalurgicas
BR7702713A (pt) Processo para deslignificacao de material lignocelulosico
BR8008028A (pt) Processo para desidrocopulacao de tolueno
BR8003947A (pt) Processo para desoxidacao do aco
BR7907960A (pt) Processo para tratamento termico de material de fina granulacao
BR7906617A (pt) Processo para refinacao de material contendo lignocelulose
BR8005598A (pt) Processo para desintegracao oxidativa de minerios contendo cromo
BR7800185A (pt) Processo para producao de tiazolino-2-tionas e tiazolino-2-tionas
ES496480A0 (es) Proceso para la produccion de 1-oxadestiacefalosporina
BR7801089A (pt) Processo para remocao de bifenilas de clorosilanos
BR8003865A (pt) Process para a extincao de residuos aquecidos
BR7607442A (pt) Processo para a carbo-cloracao de minerio caulinitico
BR7803401A (pt) Processo para preparacao de trihalogeneto de mono-hidrocarbilestanho
BR7708250A (pt) Processo para deslignificacao de material lignocelulosico
BR7807443A (pt) Processo para o fabrico de tiolcarbamatos
BR8003400A (pt) Processo para bromacao seletiva de m-fenoxitolueno
BR7900231A (pt) Processo para preparacao de esteres